We often think of ourselves as the pinnacle of life on the planet. But the largest and tallest living organisms are very different from us. They’re the magnificent coastal redwoods of Northern California. We’ll spend this hour with bestselling author Richard Preston, who profiles the trees, their explorers and the lost ecosystems they inhabit and foster among their branches in his new book “The Wild Trees: A Story of Passion and Daring” (Random House, 2007).
